(6S,9S,12S)-methyl 6-(3-iodo-4-methoxyphenyl)-1 2-(4-methoxy-3-(4,4,5 ,5-tetramethyl-1,3 ,2-dioxaborolan-2-yl)benzyl)-2,2,5 ,9-tetramethyl-4,7, 1 0-trioxo-3-oxa-5 ,8,11-triazatridecan-13-oate 在
dichloropalladium;dicyclohexyl-[2-(2,6-dimethoxyphenyl)phenyl]phosphane 、
碳酸氢钠 作用下,
以
水 、
甲苯 为溶剂,
反应 2.0h,
以54%的产率得到methyl (8S,11S,14S)-3,18-dimethoxy-11-methyl-14-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]-10,13-dioxo-9,12-diazatricyclo[13.3.1.12,6]icosa-1(18),2,4,6(20),15(19),16-hexaene-8-carboxylate